63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 1,367 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in Rancho Cucamonga, CA (2026)
299 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rancho Cucamonga: Orkin, CR Score 63/100; 4.7★ from 1,367 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Orkin, posts 24/7 hours; ranked #2 of 299.
- 5
Most-reviewed: Brooks Pest Control, 11,523 Google reviews at 4.6★, the most of 299 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
299 Rancho Cucamonga pest control companies are ranked here by CR Score, from ten published factors. 69 are open 24/7, 205 open Saturdays and 112 open Sundays, based on posted hours. The median Google rating is 4.9★ across 299 rated businesses.
Top 10 pest control companies in Rancho Cucamonga at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Orkin | 63 | 4.7★ (1,367) | Claremont, 6 mi away | 24/7 | Overall |
| 2 | Orkin | 62 | 4.8★ (3,667) | Riverside, 16 mi away | 24/7 | Emergencies |
| 3 | Dewey Pest & Termite Control | 61 | 4.8★ (244) | Ontario, 6 mi away | 24/7 | — |
| 4 | Terminix | 61 | 4.8★ (2,292) | San Bernardino, 18 mi away | 24/7 | — |
| 5 | Brooks Pest Control | 61 | 4.6★ (11,523) | Corona, 15 mi away | Sat · Sun · Evenings | Most reviews |
| 6 | Preventive Pest Control | 61 | 4.9★ (505) | Rancho Cucamonga | Sat | — |
| 7 | Terminix Commercial | 61 | 4.9★ (769) | Riverside, 16 mi away | 24/7 | — |
| 8 | Terminix | 60 | 5.0★ (52) | Ontario, 2 mi away | 24/7 | — |
| 9 | Western Exterminator | 60 | 4.7★ (596) | Chino, 10 mi away | 24/7 | — |
| 10 | Mosquito Squad Plus of Rancho Cucamonga | 60 | 4.9★ (183) | Upland, 9 mi away | 24/7 | — |
The 299 best pest control companies in Rancho Cucamonga, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
#2 Orkin
Based in Riverside, 16 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 3,667 Google reviews, listed on Google as “Pest control service”.
Based in Ontario, 6 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 244 Google reviews, listed on Google as “Pest control service”.
#4 Terminix
Based in San Bernardino, 18 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 2,292 Google reviews, listed on Google as “Pest control service”.
Based in Corona, 15 mi away
61/100CR ScoreRanked #5 because of its Google rating and review volume: 4.6★ from 11,523 Google reviews, the most in Rancho Cucamonga.
Based in Rancho Cucamonga
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 505 Google reviews, listed on Google as “Pest control service”.
Based in Riverside, 16 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 769 Google reviews, listed on Google as “Pest control service”.
#8 Terminix
Based in Ontario, 2 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Pest control service”.
Based in Chino, 10 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 596 Google reviews, listed on Google as “Pest control service”.
Based in Upland, 9 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 183 Google reviews, listed on Google as “Pest control service”.
#11 Orkin
Based in San Dimas, 12 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 387 Google reviews, listed on Google as “Pest control service”.
Based in Colton, 17 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 783 Google reviews, listed on Google as “Pest control service”.
Based in Riverside, 16 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 1,026 Google reviews, listed on Google as “Pest control service”.
Based in Rancho Cucamonga
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 171 Google reviews, listed on Google as “Pest control service”.
Based in Corona, 15 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 9,224 Google reviews, listed on Google as “Pest control service”.
Based in Rancho Cucamonga
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 164 Google reviews, listed on Google as “Pest control service”.
Based in Rancho Cucamonga
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Pest control service”.
Based in Upland, 5 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 320 Google reviews, listed on Google as “Pest control service”.
Based in Fontana, 8 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 1,940 Google reviews, listed on Google as “Pest control service”.
Based in Fontana, 6 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Pest control service”.
Based in Rancho Cucamonga
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 379 Google reviews, listed on Google as “Pest control service”.
Based in Yorba Linda, 18 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 7,199 Google reviews, listed on Google as “Pest control service”.
Based in West Covina, 19 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 252 Google reviews, listed on Google as “Pest control service”.
#24 Orkin
Based in Anaheim, 21 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 460 Google reviews, listed on Google as “Pest control service”.
Based in Rancho Cucamonga
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 114 Google reviews, listed on Google as “Pest control service”.
Pest control companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 299 ranked pest control companies here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | So-Cal Rattlesnake Removal | 58 | 4.9★ (52) | 10 mi |
| 27 | HomeShield Pest Control | 58 | 5.0★ (819) | 16 mi |
| 28 | Moxie Pest Control | 58 | 4.8★ (1,716) | 14 mi |
| 29 | Aptive Pest Control | 58 | 4.8★ (2,220) | 18 mi |
| 30 | Quality Commercial Pest Control | 58 | 4.9★ (269) | In Rancho Cucamonga |
| 31 | Trips Exterminating | 58 | 5.0★ (112) | 11 mi |
| 32 | Go-Pher The Kill Pest Control Riverside | 58 | 5.0★ (754) | 16 mi |
| 33 | The Beekeeper | 58 | 4.5★ (29) | 5 mi |
| 34 | Bull's Eye Pest Control | 58 | 5.0★ (671) | 17 mi |
| 35 | PURCOR Pest Solutions | 57 | 4.6★ (240) | 16 mi |
| 36 | Aptive Pest Control | 57 | 4.9★ (149) | 6 mi |
| 37 | Orkin | 57 | 4.8★ (306) | 22 mi |
| 38 | the bugman | 57 | 4.9★ (2,576) | 23 mi |
| 39 | Bluedot Pest | 57 | 5.0★ (162) | 9 mi |
| 40 | EarlyBird Extermination, Inc. | 57 | 4.8★ (37) | 3 mi |
| 41 | The Pest Army Exterminators | 57 | 5.0★ (13) | In Rancho Cucamonga |
| 42 | Pest Hero | 57 | 5.0★ (54) | 10 mi |
| 43 | ProCraft Pest Control | 57 | 4.9★ (316) | 6 mi |
| 44 | CURA Termite & Pest Control - Riverside | 57 | 5.0★ (38) | 15 mi |
| 45 | Terminix | 57 | 5.0★ (128) | 24 mi |
| 46 | Truly Nolen Pest & Termite Control | 57 | 4.8★ (406) | 20 mi |
| 47 | Gopher Stop | 57 | 5.0★ (147) | 18 mi |
| 48 | Compass Pest Management | 56 | 4.9★ (876) | 13 mi |
| 49 | Mira Loma Pest Control | 56 | 5.0★ (12) | 9 mi |
| 50 | Mosquito Squad of Orange County | 56 | 4.9★ (320) | 22 mi |
Also serving Rancho Cucamonga
20 more pest control companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Academy Pest Control | 5.0★ (1) | In Rancho Cucamonga |
| B & S Pest Control Corporation Claremont CA | 5.0★ (2) | 7 mi |
| Bio Pest Control Shield | 4.5★ (2) | 5 mi |
| Bug Boss Pest Control | In Rancho Cucamonga | |
| Crest Pest Control | 5.0★ (2) | 5 mi |
| Eazell pest services | 5.0★ (2) | 6 mi |
| EcoZone Pest Control | 5.0★ (2) | 7 mi |
| Finley Pest Control | In Rancho Cucamonga | |
| FreeSpeechToken | In Rancho Cucamonga | |
| Hunting Pest Services | 5.0★ (2) | 4 mi |
| Impressive Exterminating | 5.0★ (2) | 5 mi |
| Jandrix Pest Management | In Rancho Cucamonga | |
| MaxShield | In Rancho Cucamonga | |
| Mosquito Defenders LLC | 5.0★ (2) | 8 mi |
| Pest Control Guardian Plus | 4.5★ (2) | 3 mi |
| Powell Pest Control Rancho Cucamonga | 5.0★ (1) | In Rancho Cucamonga |
| Professional Pest Management | 5.0★ (2) | 4 mi |
| Shield Control Exterminators of Rancho Cucamonga | In Rancho Cucamonga | |
| Varnixo Pest Management Solutions | In Rancho Cucamonga | |
| Whitman Pest Control | In Rancho Cucamonga |
How we ranked Rancho Cucamonga pest control companies
We scored 299 Rancho Cucamonga pest control companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 3, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Rancho Cucamonga data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Pest control companies in Rancho Cucamonga: frequently asked questions
Who is the best pest control company in Rancho Cucamonga?
By CR Score, the highest-ranked pest control company in Rancho Cucamonga, CA is Orkin with a CR Score of 63/100. It has 4.7★ from 1,367 Google reviews. It is open 24/7. Orkin (#2) and Dewey Pest & Termite Control (#3) follow. We ranked 299 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Rancho Cucamonga?
ContractorsRanked ranks 299 pest control companies serving Rancho Cucamonga, CA. 8 of them are based in Rancho Cucamonga; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Rancho Cucamonga are open 24/7?
69 ranked pest control companies in Rancho Cucamonga post 24/7 hours. The highest-ranked are Orkin (#1), Orkin (#2) and Dewey Pest & Termite Control (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Rancho Cucamonga work on weekends?
205 of 299 ranked pest control companies post Saturday hours and 112 post Sunday hours. The highest-ranked open Saturdays are Orkin (#1), Orkin (#2) and Dewey Pest & Termite Control (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Rancho Cucamonga pest control companies have?
The median Google rating among 299 rated pest control companies in Rancho Cucamonga is 4.9★, with a median of 28 reviews. Brooks Pest Control has the most, 11,523 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank pest control companies?
Each pest control company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do pest control companies outside Rancho Cucamonga count in this ranking?
Yes, if they are within 25 mi of the Rancho Cucamonga city center, our service radius for pest control companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can pest control companies pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Rancho Cucamonga
- November 2026: CR Scores recalculated for 299 pest control companies serving Rancho Cucamonga.
- November 2026: 7 duplicate listings merged.
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